Question
Download Solution PDFHot shortness is a phenomenon of:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
- Hot shortness: It is a tendency for some alloys to fracture in a brittle manner along grain boundaries when deformed at temperatures near the melting point.
- Hot shortness creates difficulty in hot-working operations.
- It has commonly occurred in nonferrous metals while annealing process.
- Cause: This occurs due to the phenomena of grain boundary embrittlement.
- Grain boundary embrittlement: When a normal ductile and strong metal is brought into close atomic contact with certain low melting point metals they will crack easily even under very low stresses.
- Example: Aluminium wetted with mercury-zinc amalgam
Last updated on Jul 1, 2025
-> RRB ALP CBT 2 Result 2025 has been released on 1st July at rrb.digialm.com.
-> RRB ALP Exam Date OUT. Railway Recruitment Board has scheduled the RRB ALP Computer-based exam for 15th July 2025. Candidates can check out the Exam schedule PDF in the article.
-> Railway Recruitment Board activated the RRB ALP application form 2025 correction link, candidates can make the correction in the application form till 31st May 2025.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.
->The candidates must have passed 10th with ITI or Diploma to be eligible for this post.
->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.
-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways.
-> Serious aspirants should prepare for the exam with RRB ALP Previous Year Papers.
-> Attempt RRB ALP GK & Reasoning Free Mock Tests and RRB ALP Current Affairs Free Mock Tests here